User-agent: Mediapartners-Google 
Disallow:

User-agent: *
Disallow: /wp-admin/
Disallow: /*/trackback/
Disallow: /emulation/
Disallow: /?*letter=
Disallow: /*/?*letter=

User-agent: Mediapartners-Google 
Disallow:

Sitemap: https://www.playsnesonline.com/sitemap.xml